You’ve probably seen a flipbook. That’s a book with pictures ... one so if you flip rapidly through the book you get a little animation. We like the German word, Daumenkino, which translates ...

The newly discovered brown dwarf WISEA J110125.95+540052.8 appears as a moving dot (indicated by the circle) in this animated flipbook from the Backyard Worlds: Planet 9 citizen science project.